74b84d21eb46074d11512bd045e243a29ba860bb28551a24050b331362022599

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 15:07

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General

Target

d1d90ad04979e37aa5726ef601513474.pdf
Size

35KB
MD5

d1d90ad04979e37aa5726ef601513474
SHA1

92311c88e7e0000c5de33557bc4555447bb050d2
SHA256

74b84d21eb46074d11512bd045e243a29ba860bb28551a24050b331362022599
SHA512

7170fe8d4cbb9379bbd2275c2e051aedac7167496ae26ff454a263bcd7908f87c457635480614384f16f0bcc23be4319d2a23405845c0c92008eaf0b0b1860e1
SSDEEP

768:3XAmvzYsZWBHrAWB06nWl0N7Ay3lSgsxt7WWPVN:nAQsL3B0iFN7jaPaMVN

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4660	4316	AcroRd32.exe	92
PID 4316 wrote to memory of 4660	4316	AcroRd32.exe	92
PID 4316 wrote to memory of 4660	4316	AcroRd32.exe	92
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 3304	4660	RdrCEF.exe	94
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93
PID 4660 wrote to memory of 4552	4660	RdrCEF.exe	93

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\d1d90ad04979e37aa5726ef601513474.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B3C6C745D3F4ABAEFC0BC14683FEE64B --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=B3C6C745D3F4ABAEFC0BC14683FEE64B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0FB982B9B0F46A0509FD293DA1A7BC63 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3304
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7B234FB754AE74544F6A659CC0107088 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=9E4AB4A5646E717A3FBBB2E07DE3F21F --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E14B228805A16DE1D2F04BFE6A5583DD --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=56A3241095CEAF098DE80F7B40916DBF --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=56A3241095CEAF098DE80F7B40916DBF --renderer-client-id=8 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2896

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4764

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv jTU7x+OLnU+5QHTZF0z0lw.0.2
1⤵
PID:4860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1de1ad7f6f3a94c2ba13c35f7819b6d2

SHA1
ae989750a09411adf4cb61d7bf8996a80e618959

SHA256
1d7f0e0479adbb143f02d6cd4edeeaa4cd0b0ea658121aafeeb3057f33bb7b06

SHA512
f92756cae0939fedaafcf9dd5c26cd6c3b64fe44d0c8dbbf7e0739c6ed47fbed78e786690399f8fefcab73d94a85403aeeb35769601b263bc24aa8f395721ee0

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit